distributions的例句大全

The conditions of common failure mechanism and the expression of acceleration factor of the common failure distributions and the suitable failure distributions of accelerated life testing were presented. The time conversion formula and the basic hypotheses of accelerated life testing were discussed.

给出了常见失效分布失效机理不变的条件及加速系数的表达式及适用于加速寿命试验的失效分布，并对时间折算公式及加速寿命试验的基本假设进行了讨论。

The effects of concentration of La 3+, Ce 4+, Nd 3+, reaction temperature and reaction time on conversion and product distributions were also investigated.

考察了La3+、Ce4+、Nd3+浓度、反应温度、反应时间对转化率和产物分布的影响。

Through asymmetrical Abel inversion from the line integrals of phase shift of 7 chords, the electron density profile at different time or three dimensional diagram of space-time distributions of electron density can be obtained.

也可以由七道弦上相移的线积分值通过非对称的Abel变换给出不同时刻的电子密度的空间分布或时-空分布的三维图形。

The generic distributions in both modern and fossil times were outlined, and their distribution center, place and time of origin and the way of dispersal were discussed.

对各属的现代分布和地史分布作了描述，在此基础上，讨论了桦木科植物的分布中心、起源地、起源的时间和散布的途径。

In displacement of waler by oil, CT scanning can directly show heterogeneity of oil-water distributions, finger advance of fluid phase front and oil-water flows, and thus, determine the changes of water ( oil) saturations in different regions quantitatively.

在油驱水过程中，CT扫描可直观显示油水分布的不均匀性和液相前沿的突进（即指进）现象以及流动情况，并可定量确定出不同区域含水（油）饱和度的变化。

A method using μ-law companding algorithm is presented to reduce the system PAPR. The PAPR distributions of OFDM systems are analyzed.

提出使用μ-law压扩算法降低OFDM系统PAPR（峰值平均功率比），对PAPR概率分布进行了理论分析。

Study on Diffusible Hydrogen Dynamic Distributions in Welded Zone of Alloyed Steels

合金钢焊接区扩散氢的动态分布

Results are MTTF up to 4000 hrs at 50 ℃, which could be expected to exceed 10~ 5 hrs ( when Ea is 0.9 eV) at the room temperature ( 20 ℃). The observed modes of the lifetime are in good agreement with log-normal distributions.

其结果是50℃时MTTF大于4000小时，采用0.9eV激活能外推室温（20℃）下，中值寿命大于10万小时，所观察到的寿命模式符合对数正态分布。

Results show that the variation of impact loading distributions in the horizontal direction is not obvious but that decrease gradually with the vertical distance from bottom to top in the vertical direction.

迎水面冲击荷载分布沿水平方向变化规律不明显，沿竖直方向随着高度的增大而逐渐减小。

The distance of impeller from the bottom also has great impact on the temperature distributions.

搅拌桨的安装高度对温度场的分布影响也很显著。

The distributions of various types of ametropia in different decades were counted up and compared.

对各种屈光类型不同年代的构成进行比较。

Thermal Analysis of Cross Flow Evaporative Coolers The characteristics of velocity, temperature and concentration distributions were discussed based on results of numerical simulation.

在数值模拟的基础上，对蒸发冷却器内的流场、温度场以及水蒸汽浓度场分布情况作了定性分析。

3D and transient distributions of temperature and thermal stress in repeated pulse laser crystal were calculated when pumped by kilowatt grade and 520 μ s duration.

计算出了千瓦级泵浦功率，520μs脉冲宽度，重复频率状态下晶体瞬时三维的温度和热应力分布。

The distributions with different initial thermal time and initial radius have been discussed in detail, the main character of distribution does not change with the variation of initial parameters.

文中给出了不同初始热平衡时间和初始半径下的分布对比数据，发现分布的基本特征不因初始参数的变化而改变。

Also, the movement, distributions of charged stream, and the space effect on the electric field are calculated with PIC method.

在此基础上，利用PIC方法计算了带电粒子束流在电磁场中的运动情况、空间分布以及空间电荷效应对电场分布的影响。

Based on this reason, a direct coupled-analysis model was built to simulate the thermal distributions of welding process of the tube.

对此，文中建立了考虑接触热传导的小截面薄壁方管并行焊接的直接耦合分析模型。

This distributions of weather can be explained by the adjustment physical process of thermal wind.

用热成风适应物理过程来解释这种天气区分布的原因。

This paper focuses on the distributions, characteristics and conservation methods of the landscape ecology conversation region for quaternary glacier vestiges in Huangshan Scenic Spot. Correspondence between Heaven and Human and ecology protection Discussions on Ecological Protection of Rivers

主要探讨黄山风景区第四纪冰川遗迹景观生态保护小区的分布、特征及保护措施

We deal with stress distributions of the transducer by making theoretical calculation, electrometry and photoelastic experiment, and also present its technical properties and practical application.

本文阐述了用理论计算、电测及光弹性实验方法对该传感器所进行的应力分析，并介绍了这种传感器的技术性能和实际应用情况。

Transient distributions of the characteristic parameters and the transient evolution process of coherent structures were given in the turbulent combustion reacting flow field.

得到了燃烧反应流特性参数的分布、湍流燃烧的瞬态发展变化过程以及在拟序结果影响下燃烧的特征。